Agility Gear Teeter and Contact Teacher You will have hours of fun with our Teeter and Contact Teacher Designed to replicate the movement of a Regulation Teeter, and build your dogs Teeter confidence. The Teeter Teacher is fully assembled upon arrival. It is 48 inches long and 12 inches wide. Height is 4 inches at the pivot. Durable Construction: Computer cut and routed ( rounded edges for safety ) cabinet grade plywood. Silica sand is infused into the outdoor flat paint for traction. This Teeter Teacher has been "Performance Tested" by small, medium & large breed dogs.